Burner control mechanism



Aug. 1l,A 1942.l R. BEsocKE BURNER CONTROL MECHANISM Filed Febfll, 1941 3 SheetS-Sheejl' 1 Aug. 11, 1942.

R. BESOCKE BURNER CONTROL MECHANISM Filed Feb. 11, 1941 3 Sheets-Sheet 2 Aug. 11, 1942. R. BE'socKl-Z BURNER CONTROL MEGHANISM Filed Feb. 1l, 1941 3 Sheets-Sheet 3 Patented Aug. 11, A1942 2,292,735 BURER CONTROL MECHANISM Richard Besockc, Arcadia', Cal/if., assignor of eighty per cent A Calif. y

to John P. Frank; Arcadia,

Application February 11,` 1941, Serial No. 378,351

'v 14 Claims. (01.126-42) provided for the control member that turns onthe current to the burner, or opens the valve for supplying gas to a burner. Heretofore mechanism has been 'provided for preventing the closing movement of the lid if Athe control member, or control members for .the burners, are not in the o position. Such a lid has considerable weight, and also gives afconsiderable leverage to the 'operator of the stove, so that in closing .the lid, such control mechanism could readily be broken o'r injured. One of the objects of the present invention is to'provide apparatus of this kind with means for .preventing accidental injury to the apparatus if it is attempted to close the lid before all the burners have been turned oi. A l

A further object of the invention is to' provide burner control apparatus with means for yieldingly resisting the closing of the lid if the control A further object of the invention is to provide apparatus of this kind, having means for normally locking the control member of the burner back of the Contact member or ifi its path, so

`the closingof the lid. In this way, a person closing the lid becomes apprised of the wrong Iposition of the control member, and he can then move it to its closed position and complete the closing movement of the lid.

Further objects of the invention will appear hereinafter. i

The invention consists in'the novel parts and combination of parts to be described hereinafter, all of which contribute to produce an efcient burner control mechanism.

A preferred embodiment of the invention is described in the following specification, while the broad scope of the invention is pointed out in the appended claims.

means for the burner-ris not in the o posiin its oii' position, and to provide automatic means for releasing this lock when the lid is raised. Also, to accomplish this'in such a way that a delayed action occurs in the release of the lock, insuring that the lid must be substantially completely raised before the burner can be turned on.

The apparatus, in its preferred form, includes a contact member that is engaged by the lid in provided with means for advancing it when the In the,I drawings: v

Fig. 1 is a perspective of a stove having lids provided with my control apparatus, and showing one of the -lids in its closed position', and one of the lids in Van open position, so as to expose a griddle having a burner under it.

Fig. 2 is a vertical section taken about in the plane o f the line 2-2 of Fig. 1, passing through the upper part of the stove and showing thelid in its open position, and the control member for the burner in its closed position. 4 I 1 Fig. 3 is a fragmentary view, and is a perspective upon an enlarged scale of lthe burner valve and lock for the same. This view also shows a portion of the manifold supplying gas to the burner, and also a portion of the pull rod that connects the lock to the lid-controlled contact mechanism at the back of the stove.

Fig. 4'is al view similar to Fig. 2, but with cer tain parts I`broken away and showing at portion lid is raised. One of the objectsv of the invention is to provide a connection between this ,contact Y member and the lock that locks the control member against operation, operating in such away that if the lid is closed while the control member is in its "on" position, the lock will be yieldof the lid in a partially raised position. This view further illustrates the function of an automatic stop that' is moved into the path of the contact member' or resister, that resists the closing of the lid if the control .member for the .burner is in the on position, as illustrated in Fig. 4. Fig. 5 is a sectional plan taken about on the line 5 5l of Fig. 4 and Fig. 7, and further illustrating the automatic stop that cooperates with the contactmember, to resist its movement if the control member for the burner is in the on position. A

Fig. 6 is a view, similar to Fig. 4, but showing the contact member `pushed back by the closed lid, the automatic stop having been withdrawn by reason ofthe fact that the control memberfor the burner is in its oiT position.

Fig. 7 'is a rear elevation of the apparatus at the back of the stove, and particularly illustrating the automatic stop that is projected automatically into the path of the contact member when the contact member is moved forward at the time the lid is raised.

line 8-8 of Fig. 7, and further illustrating the functioning of the automatic stop and the cushion plate for resisting the closing movement of thelid, if the control member -for the burner is -in its "on" position.

Fig. 9 is a vertical section taken at the rear the lock 8. A lost motion effect is attained by reason of the fact that the end of the arm 23 is Alocated a considerable distance back of the forward collar 25, and hence when the plunger 'I6 is moved forward when the lid is being raised, the lid will substantially be fully "raised before the last part of the movement brings the arm against the collar 25. This shifts the locking shoe 8 to the right and releases it from the neck I4. The burner can now be turned on.

As the draw-rod I5 moves forward it throws the stop 22 into its active position as in Fig. 9. This is accomplished by a cam 21 ,attached to the draw-rod, and having a cone' face 28 that norand looking toward the front, and illustrating the automatic stop projected into the path of the contact member. This view illustrates the automatic stop lever in dotted lines in its withdrawn position, with the automatic stop out of operation.

Fig. 10 is a diagrammatic plan illustrating how the improvement may be applied to a gang f control members for a plurality of burners.

In the stove illustrated, the lid I is movably attached to the stove body 2 by a hinge 3. In Fig. 5 the p arts are shown in their norma-l condition of rest, at which time the control member 4 for the burner 5 is in its "off position-that is to say, the gas valve 6 is in its closed posi` tion, shutting off ow to the burner from a gas manifold 1.

In this normal condition also, the control member 4 is locked against operation. The lock 8 for accomplishing this is preferably. in theA form of a bracket or shoe 8 with' two vertical extensions 9 and III, the former of which has some angular shape that will cooperate with the neck and prevent it from turning.

The lock is moved automatically to its release position (shown in Fig. 3) by an actuating member I5 in the form of a pull-rod or link attached to it. The other end of this rod I5 is moved automatically when the lid is moved to itsraised position. y

When the lid is down, it is engaged by a resister or contact member or plunger I6 having a rounded nose that cams on the back edge of the lid or a leaf oi the hinge, and this plunger I6 is guided to slide longitudinally in a frame plate I'I. Some means, for example, a coil spring I8, holds the nose of the contact member against the lid.

In the closing movement of the lid, if the control member 4 is in its off position, a pin- I9 in the plunger I 6 can move back through a small notch 2|l (see Fig. 7a) in a.cushionplate 2|, that is to say, the backward movement of the plunger is unobstructed; But if the control member 4 is in its open position a stop 22 will lie projected into the path of the pin I9 and obstruct this movement.

The stop 22 is moved in automatically by connecting means that connects the plunger I6 to the lock 8. This connection includes a rigid arm 23 carried by the plunger with its outer end moving between two collars 24 and 25 fiized on the actuator or pull-rod I5 that is attached to mally rests against the edge of a lever 29 (see Fig. 6), to hold the lever back as indicated in dotted lines in Fig. 9. When the rod moves forward t unlock the control member 4, the cone face moves away and lets the lever be pulled over to its active position by its coiled spring 30.

The connection from the arm 23 to the rod I5 for moving the lock-shoe 8 in its locking direction, includes a spring 3|. When the arm 23 is moved back it compresses this spring and builds up energy in it, and before the plunger I6 has moved back far enough for the pin I9 tostrike the stop 22, the spring 3| will shift the draw-rod sufilciently to cause the cone face 28 to swing away the stop lever. I'he pin can then move all the way back into the notch 20 as in Fig. 6. This will happen, ofcourse, if the control member 4 is in its off position so that the neck I4 permits the lock 8 to slid over it. If the control member 4 is in the on position for the burner, the spring 3| cannot shift the drawrod I5, and in that case the stop 22 will not be withdrawn, and the cushion plate will stop the closing movement of the lid. This will be accomplished yieldingly because the cushion plate is guided to slide back on guide pins 32 so as to compress coil springs 33 mounted on the same.

This considerable resistance is a Warning that the control members are not all in their off positions.

The burner 5 is illustrated as a single burner under a griddle 34. but, of course, these improvements can be applied to a gang of control members 35 as illustrated diagrammatically in Fig. 10. In such a construction a draw-rod I5a would be connected to a rigid cross-head 26 carrying individual pull rods 36 leading over to the different valves or control members. If desired, an attempt to close down the lid when the control members are in their on positions, may give an alarm by closing an electric circuit through a bell 3'I. through the agency of contacts 38 and 39, one of which is fixed and the other carried on the cushion-plate 2| (see Fig. 7).

The mode of operation will now be briefly restated. y

In the position of rest of the parts, they have the relation indicated in Fig. 6, at which time the resister or contact member I6 is held in its extreme rear position by contact of its rounded nose with the edge of the closed lid, or with the leaf of the spring 3. At this time the stop pin I9 is located in the notch 20 in the cushion-plate 2| and the lock-shoe 8 is telescoped over the neck I4 on the stem I2 of the control member 4. When thelid is raised, the contact member or plunger I6 will be advanced by its spring I8, as indicated in Fig. 2, and when this occursK the arm 23 will move against the collar 25 on the draw-rod I5 and push the same forwardly. This removes the cone face 28 from contact with the movedbythe closing of the lid, a.v stop capable tail of the lever 29, whereupon thespring 30 of this lever will pull it toward the left as viewed in Fig. 9, so as to project the stop 22 into the path of the stop pin I9. vIn other words, this stop 22 coversup the notch 20. As the movement of the arm 23 is completed, the lock-shoe 8 will be slipped off of the neck I4, which releases the control member, `enabling the burner to be turned on. Fig. illustrates this stop 22 located back of the pin I9. The control member, when in its off position, inhibits the operation of the stop 22 so that there then will be no functioning of ,the yielding resistance springs 33 when the lid l is raised and lowered.

It will bevevident that in this action, it is merely necessary to provide a stop to cooperate in some way with the plunger I6 to resist its being moved lbackwardlyby the closing lid, unless permitted to do so freely by the control member 4 when in .its off position,

Now, if it is attempted to close the lid While the control member 4 is in its on position, the pin I9 will come against the stop 22 and the member I G will then resist the further movement of the lid by forcing the cushion-plateA 2l back, compressing its springs 33. l1"his resistance will indicate to the person attempting to close the lid, that the control members for the burners are not in their off position. This rearward movementof the plunger I6,vof course, causes the arm 23 to move back and compress the spring 3|. draw-rod I5, but will merely result inpressing the locking-shoe V8 against the end of the Aneck I4, but will not break any of the parts. Furthermore, it will not shift the collar 21 and the cone face 28 into alignment with.the lever 29, and hence it will not release the contact member or plunger I6 from the stop 22. If the apparatus has the alarm buzzer or bell attachment 31, this buzzer or bell will ring to indicate to the operator ofthe stove, that h e is doing something wrong. If the operator does commence to close the lid with the control member 4 in its on position, and he develops a resistance to closing the lid through the operation of the plunger I6, it will not be necessary for the lid to be raised. It will merely be necessary to move the handle of the control member to the 0E position, whereupon the spring 3| will pull the lock 8 onto the neck |4, which will incidentally move the collar 21 into a position to' withdraw the stop 22 from the side of the plunger. In doing this it may be necessary to ease up slightly on the lid so that the pressure of the pin I9 against the stop 22 will not -preventthe withdrawal of the stop.

Many other embodiments of the invention may be resorted to without departing from the spirit of the invention.

What I claim is:

1. In a stove, the combination of a burner,` a hinged lid mounted to close down overlthe burner, a movable control member for turning on the burner, a movable resister mounted so as to be moved by the closing of the lid, a stop capable of movement into the path of the resister for limiting the relative movement thereof under the action of theI closing lid, and means for yieldingly resisting the movement o! the said stop and the resister when moved bythe closing lid. I

2. In a stove, the combination of a burner, a hinged lid mounted to close down over the bumer, a movable control member for turning on the burner, a movable resister mounted so as to be This, of course, vwill exert tension in the of movement into the path of the resister for limiting the relative movement thereof under'the action of the closing lid, means for yieldingly resisting the movement of the said stop and the resister when moved by the closing lid, locking means for the control member for locking? the same against actuation when the lid is down, and means for moving the locking means to its releasing position when the lid is moved to, its raised position. Y

3.V In a stove, the combination oi a burnerya hinged lid mounted to close down over the burner, a. movable control member for turning on the burner, a movable resister mounted so as to be.

moved by the closing of the lid, a stop'capable of movement into the path of the resister for limiting the relative movement thereof under the action of the closing lid, means for yieldingly resisting the movement of the said stop and the resister when moved by the closing lid, said control member having a rotatable stem with a locking neck thereon, a locking shoe mounted to shift out of, or into, engagement with said neck to lock the burner against being turned on, and means for eiecting a movement of said shoe when-.the lid is opened to release the'said stem and permit the burner to be turned on.` V

4. In a stove, the combination of a burner, a movable control member having a rotatable stem for turning on the burner, said stem having a locking collar thereon, a shoe mounted to shift longitudinally of the stemfor engaging the' collar to prevent rotation of .the stem, means brought into action by the closing movement of the lid forA shifting the shoe into engagement with the collar to lock the stem against rotation, and including a yielding connection to prevent straining any of said parts if the burner is open and the collar in a position to prevent movement of the shoe into its locking relation with the collar.

5. In a stove, the combination of a burner, a movable control member having a rotatable stem for turning on the burner, said stem havingv a locking collar thereon, a shoe supported to slide on the stem and having a socket to engage over the collarfto prevent rotation of the stem, means brought into action by the closing movement of the lid for shifting the shoe into engagement with the collar to lock the `stem against rotatiOnLand including a yielding connection to preventA straining any of said parts if the burner is openand the collar in a position to prevent movement of .the

' shoe into its locking relation with the cenar.

6. In a stove, the combination of -a movable control member, a lid with a, hinge connection supporting the same and capable of closing over the burner, a plunger with means for guiding the same to slide longitudinally, and engaging the lid adjacent the hinge when the lid is Ain its closed position, locking `means for interlocking with the control member for locking the same against turning the burner on, and means including a resilient member `between the plunger and the last-named means foriyieldingly moving the interlockingmeans into a. position to lock the control means against turning the burner on,

Whenthe lid is being moved to its closed position.

7. In a stove, the combination of ajmovable control member, a lid with a hinge connection supporting the same and capable of closing overv the` burner, a plunger with means for guiding the same to slide longitudinally, and engaging the lid adjacent .the hinge when the lid is in its closed position, a spring for advancing the plunger when the lid is movedto its raised position, locking means for interlocking with the control member for locking the same against turning the burner on, and means including a resilient'l member between the plunger and the last-named means. for yieldingly moving the interlocking means into a position to lock the control means against turning the burner on, when the lid is being moved to its closed position. v

8. In a stove, the combination of a burner, a movable lid mounted to close down over the burner, a movable control member for turning on the burner, a plunger-,engaging the lid in its closed position and capable of moving forward when the lid is raised, means ior advancing the plunger when the lid is raised, a stop with automatic means for placing the stop back of the plunger when` the plunger advances, said stop opi for the lock, said lresilient means operating to advance the said contact member when the lid is raised, means connecting the contact member and the actuating member, a. stop, and means.4

hinged lid mounted to close over the burner, a

control member for.turning the burner olii or on, a lock for the control member to prevent operation of the same unless the lid has been raised, a-movable contact member, resilient means for maintaining the same pressed against the lid while in its closed position, an actuating member for the lock', said resilient means operating to advance the said contact member when the lid is raised, and means including a yielding part connecting the contact member to the lock and operating to pull the lock toward its locking position, if it is attempted to close the lid when the Y control member is in its on position.

control member for turning the burner 01T or I on, .a lock for the control member, yielding resistance means for resisting the closing of the cover, and means for inhibiting the operation of the resistance means when the control member is in its olf position.

10. In a stove, the combination of a burner, a control member capable of assuming an off position and an on" position for controlling the burner, a lock for the control member, a lid mounted to close down over the burner, a plunger, a spring for urging 'the same against .the lid in its closed position and operating to advance the plunger when the lid is being raised, means connecting the plunger and the lock, operating to move the lock to release the control member near the end of the advancing movement of the plunger.

11. In a stove, the combination of a burner, a hinged lid mounted to close over the burner, a control member for turning the burner off' or on, a lock for the control member to prevent operation of the same unless the lid has been raised,y a

with thegcontrol member and controlled by the position of Vthe control member, to cause the y yielding means to resist the closing of the lid if movable contact member, resilient means forv maintaining the same pressed against the lid while in its closed position, an actuating member the control member is in the position that turns the burner on.

14. In a stove, the combination of a burner, a movable lid mounted to close down over the burner, a movable control member for turning on the burner, yielding means capable of forcefully and yieldingly resisting`the closing of the lid, and means associated with the yielding means and with the control member controlled by the y position of the control member for causingthe yielding means to resist the closing, of the lid when the control member is in theposition that turns the burner on, and means associated with',

the yielding means for locking the control member against turning the-burner on when the lid is in its closed position.

RICHARD BESOCKE. 

